Housing for an exercise bicycle



FIG. 1 is a left side perspective view of a housing for an exercise bicycle showing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a rear perspective view thereof;

FIG. 4 is a top perspective view thereof; and

FIG. 5 is a right side perspective view thereof.

The broken line showing of environment in FIGS. 1 through 5 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a housing for an exercise bicycle, as shown and described. 